Home / 105,720,142.60-158,580,213.90-73,471,515.40

Finding the Fourth Proportional to 105,720,142.60, 158,580,213.90 and 73,471,515.40

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Solution

The fourth proportional to 105,720,142.60, 158,580,213.90 and 73,471,515.40 is: 110,207,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,720,142.60 : 158,580,213.90 = 73,471,515.40 : x
  2. Step 2: Convert to fraction form
    105,720,142.60/158,580,213.90 = 73,471,515.40/x
  3. Step 3: Cross multiply
    105,720,142.60x = 158,580,213.90 × 73,471,515.40
  4. Step 4: Simplify right side
    105,720,142.60x = 11,651,128,627,689,146
  5. Step 5: Solve for x
    x = 11,651,128,627,689,146/105,720,142.60
  6. Step 6: Final answer
    x = 110,207,273.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.